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A few things. Firstly if you're getting an error can you put the exact error in your question, it would help a lot.
What you're asking the compiler to do is not well defined, and your syntax is wrong causing this problem. Are you trying to find a PoseStamped
message in the list which contains the number in in any of its elements or a specific element? If so what are you actually trying to achieve because this is a rather strange operation?
the in
variable is an int
, so you can't 'find' it in the gothro
vector because this contains geometry_msgs::PoseStamped
objects which cannot be directly compared to an int
.
If you can be a bit clearer about what you're trying to do here we can probably suggest a solution.